Presentation Development of a multialkali photocathode dc gun for high current operation

西森, 信行  ,  羽島, 良一  ,  永井, 良治  ,  沢村, 勝

We have developed a photoemission DC gun equipped with an alkali photocathode at QST for high current operation. The CsSb photocathode fabricated in our preparation system showed quantum efficiency of 5.8 %. We have generated 4 mA beam from the CsSb photocathode at 150 kV. The status of development will be presented.
The 59th ICFA Advanced Beam Dynamics Workshop on Energy Linacs

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